(19)

(11)

EP 2 316 020 A1

(12)

(43) Date of publication: 04.05.2011 Bulletin 2011/18 (21) Application number: 09785987.0 (22) Date of filing: 01.07.2009

(51) International Patent Classification (IPC):  G01N 30/12(2006.01) G01N 30/14(2006.01) (86) International application number: PCT/IB2009/006170 (87) International publication number: WO 2010/004404 (14.01.2010 Gazette 2010/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 10.07.2008 IT MI20081259 (71) Applicant: Saipem S.p.A. 20097 San Donato Milanese (Milano) (IT)	(72) Inventors: ZAN, Leonardo 61032 Fano (Pesaro e Urbino) (IT) PATRIGNANI, Gian Luca 61032 Fano (IT) GUIDI, Massimo 56011 Calci (Pisa) (IT) MANETTI, Piero 50124 Firenze (IT) (74) Representative: Coletti, Raimondo et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)